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### Describe the bug
My app is an unpackaged self contained c# desktop app that can support multiple windows. Each window can display an about box, implemented as a pop up content dialog. When the us…
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**Describe the bug**
Single-project MSIX Packaging apps do not load external ResourceDictionaries when using Debug configuration
**Steps to reproduce the bug**
1. Create a new '[Experimenta…
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### Describe the bug
1.Start the app after turning off the transparency effect in Windows 11 settings. After launching the app and then turning on the transparency effect from Windows settings, Acryl…
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### Describe the bug
When a NuGet package includes additional files in the lib folder, these files are not copied to the OutputPath of a Packaged WinUI 3 application, but additional files in the lib …
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### Describe the bug
`Windows.UI.ViewManagement.UISettings.ColorValueChanged` does not trigger when changing dark/light mode in system settings with WinUI3 (packaged) app under windows 10.
**UW…
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### Describe the bug
Hi there I have a background task that will read .NET Channels message and generate ToastContentBuilder() based on that.
However, I notice some random occurrence of System.Acc…
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### Describe the bug
Using the converter to obtain a named resource provokes a NullReferenceException.
### Regression
_No response_
### Reproducible in sample app?
- [ ] This bug can be reproduce…
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### Describe the bug
Getting null reference exception on a **WinUI** application when using ```UIElementExtensions.VisualFactory```
### Regression
_No response_
### Reproducible in sample app?
…
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### Describe the bug
This issue is probably on the border between WinUI3.0 and WindowsAppSDK but creating it here since it's related to how the app is being built.
I was trying to move away from r…
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### Describe the bug
An ArgumentOutOfRangeException is thrown when using ListView extended selection with ISelectionInfo.
I originally listed this under #8684 but it would seem to be a separate bu…